build

chore(deps): update actions/checkout digest to b4ffde6 #1414

Job	Run time
386:tcp image	2m 41s
386:ssh image	3m 38s
amd64:tcp image	3m 42s
amd64:ssh image	3m 6s
arm/v6:tcp image	7m 50s
arm/v6:ssh image	6m 59s
arm/v7:tcp image	7m 43s
arm/v7:ssh image	8m 32s
arm64:tcp image	8m 5s
arm64:ssh image	6m 47s
ppc64le:tcp image	9m 13s
ppc64le:ssh image	9m 46s
docker.io:tcp-renovate-actions-checkout-digest-4c7c86a manifest	8s
docker.io:ssh-renovate-actions-checkout-digest-4c7c86a manifest	6s
docker.io:tcp-renovate-actions-checkout-digest manifest	6s
docker.io:ssh-renovate-actions-checkout-digest manifest	7s
ghcr.io:tcp-renovate-actions-checkout-digest-4c7c86a manifest	15s
ghcr.io:ssh-renovate-actions-checkout-digest-4c7c86a manifest	15s
ghcr.io:tcp-renovate-actions-checkout-digest manifest	9s
ghcr.io:ssh-renovate-actions-checkout-digest manifest	16s
	1h 19m 24s

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